import copy
dictionary={'卷心菜':'cabbage','午餐':['lunch''nooning']}
dictionary1=dictionary
dictionary2=dictionary.copy()
dictionary3=copy.deepcopy(dictionary)
dictionary['卷心菜']='pamphrey'
print('dictionary=', dictionary)
print('dictionary1=', dictionary1)
print('dictionary2=', dictionary2)
print('dictionary=', dictionary3)



dictionary={
       '卷心菜':'cabbage',
       '午餐':'lunch',
       '机器人':'robot',
       '天空':'sky',
      '花':'flower',
}
print('中英文字典中所有中文词组及其对应英文单词:')
for item in dictionary.items():
    print(item)
print('中英文字典中所有中文词组：')
for cginese in dictionary.keys():
    print(cginese,end='')
print('\n中英文字典中所有英文单词：')
for english in dictionary.values():
    print(english,end='')
